Show:
The Nature of Matter
Properties of Water
Carbon Compounds
Reactions and Enzymes
Our Labs [:
100
The basic unit of matter
What is an atom
100
The types of bonds found in a water molecule
What are covalent bonds
100
Sugars, Starch (potatoes,breads, rice) are all examples of what type of carbon compound?
What are carbohydrates
100
This is the result of a chemical reaction
What is a product
100
Water is _____ 1. acidic 2. basic 3. neutral
What is neutral
200
The part of an atom contains protons and neutrons
What is the nucleus
200
The pH ranges from 0-6
What is an acide
200
What atoms are found in proteins?
What are C, H, O, N
200
These are what go into a chemical reaction. (What a chemical reaction starts out with)
What are reactants
200
The boiled sweet potato successfully converted hydrogen peroxide to water and oxygen gas. True or False?
What is False
300
This type of atom contains a differing number of neutrons
What is an isotope
300
[OH-] > [H+]
What is a base
300
What are two examples of nucleic acids?
What are DNA and RNA
300
A protein that acts as a catalyst
What are enzymes
300
The vinegar you find in your kitchen is acidic or basic
What is acidic
400
This type of bond involves the TRANSFER of valence electrons
What is an ionic bond
400
The substance that is being dissolved in a solution
What is a solute
400
This type of carbon compound is very important to athletes for building muscles.
What are proteins
400
Enzymes speed up chemical reactions by lowering this.
What is the activation energy
400
The two properties of water that attributed to the red leaves in a celery stick dipped in food coloring are
What are cohesion and adhesion
500
The net charge of an atom that has 22 protons, 23 neutrons, and 25 electrons.
What is -3
500
The form of attraction between molecules of different substances
What is adhesion
500
This type of carbon compound helps give plants rigidity
What are carboydrates
500
The two factors that affect the activity of an enzyme
What are pH and temperature
500
The enzyme found in sweet potato that catalyzed the breakdown of hydrogen peroxide
What is catalase